condition	mean	min	max
4 h after light	8.115995	7.8755	8.35649
8 h after light	12.080400000000001	11.488	12.6728
12 h after light	13.4004	13.2998	13.501
4 h after dark	17.11545	16.9898	17.2411
8 h after dark	14.8139	14.7346	14.8932
12 h after dark	12.05515	11.924	12.1863